QGIS API Documentation  3.27.0-Master (aef1b1ec20)
qgsgeometryoptions.cpp
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1 /***************************************************************************
2  qgsgeometryoptions.cpp
3  -------------------
4  begin : Aug 23, 2018
5  copyright : (C) 2018 by Matthias Kuhn
6  email : [email protected]
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #include "qgsgeometryoptions.h"
19 
20 #include "qgsxmlutils.h"
21 
23 {
24  mGeometryChecks = settingsGeometryValidationDefaultChecks.value().split( ',' ) ;
25 }
26 
28 {
29  return mRemoveDuplicateNodes;
30 }
31 
33 {
34  mRemoveDuplicateNodes = value;
36 }
37 
39 {
40  return mGeometryPrecision;
41 }
42 
44 {
45  mGeometryPrecision = value;
47 }
48 
50 {
51  return mGeometryPrecision != 0.0 || mRemoveDuplicateNodes;
52 }
53 
54 void QgsGeometryOptions::apply( QgsGeometry &geometry ) const
55 {
56  if ( mGeometryPrecision != 0.0 )
57  geometry = geometry.snappedToGrid( mGeometryPrecision, mGeometryPrecision );
58 
59  if ( mRemoveDuplicateNodes )
60  geometry.removeDuplicateNodes( 4 * std::numeric_limits<double>::epsilon(), true );
61 }
62 
64 {
65  return mGeometryChecks;
66 }
67 
68 void QgsGeometryOptions::setGeometryChecks( const QStringList &geometryChecks )
69 {
70  mGeometryChecks = geometryChecks;
71  emit geometryChecksChanged();
72 }
73 
74 QVariantMap QgsGeometryOptions::checkConfiguration( const QString &checkId ) const
75 {
76  return mCheckConfiguration.value( checkId ).toMap();
77 }
78 
79 void QgsGeometryOptions::setCheckConfiguration( const QString &checkId, const QVariantMap &checkConfiguration )
80 {
81  mCheckConfiguration[checkId] = checkConfiguration;
83 }
84 
85 void QgsGeometryOptions::writeXml( QDomNode &node ) const
86 {
87  QDomDocument doc = node.ownerDocument();
88  QDomElement geometryOptionsElement = doc.createElement( QStringLiteral( "geometryOptions" ) );
89  node.appendChild( geometryOptionsElement );
90 
91  geometryOptionsElement.setAttribute( QStringLiteral( "removeDuplicateNodes" ), mRemoveDuplicateNodes ? 1 : 0 );
92  geometryOptionsElement.setAttribute( QStringLiteral( "geometryPrecision" ), mGeometryPrecision );
93 
94  QDomElement activeCheckListElement = QgsXmlUtils::writeVariant( mGeometryChecks, doc );
95  activeCheckListElement.setTagName( QStringLiteral( "activeChecks" ) );
96  geometryOptionsElement.appendChild( activeCheckListElement );
97  QDomElement checkConfigurationElement = QgsXmlUtils::writeVariant( mCheckConfiguration, doc );
98  checkConfigurationElement.setTagName( QStringLiteral( "checkConfiguration" ) );
99  geometryOptionsElement.appendChild( checkConfigurationElement );
100 }
101 
102 void QgsGeometryOptions::readXml( const QDomNode &node )
103 {
104  const QDomElement geometryOptionsElement = node.toElement();
105  setGeometryPrecision( geometryOptionsElement.attribute( QStringLiteral( "geometryPrecision" ), QStringLiteral( "0.0" ) ).toDouble() );
106  setRemoveDuplicateNodes( geometryOptionsElement.attribute( QStringLiteral( "removeDuplicateNodes" ), QStringLiteral( "0" ) ).toInt() == 1 );
107 
108  const QDomElement activeChecksElem = node.namedItem( QStringLiteral( "activeChecks" ) ).toElement();
109  const QVariant activeChecks = QgsXmlUtils::readVariant( activeChecksElem );
110  setGeometryChecks( activeChecks.toStringList() );
111 
112  const QDomElement checkConfigurationElem = node.namedItem( QStringLiteral( "checkConfiguration" ) ).toElement();
113  const QVariant checkConfiguration = QgsXmlUtils::readVariant( checkConfigurationElem );
114  mCheckConfiguration = checkConfiguration.toMap();
115 }
bool isActive() const
Determines if at least one fix is enabled.
void removeDuplicateNodesChanged()
Automatically remove duplicate nodes on all geometries which are edited on this layer.
void geometryChecksChanged()
A list of activated geometry checks.
double geometryPrecision() const
The precision in which geometries on this layer should be saved.
bool removeDuplicateNodes() const
Automatically remove duplicate nodes on all geometries which are edited on this layer.
void setGeometryPrecision(double value)
The precision in which geometries on this layer should be saved.
void setRemoveDuplicateNodes(bool value)
Automatically remove duplicate nodes on all geometries which are edited on this layer.
void readXml(const QDomNode &node)
Read the geometry options from node.
QgsGeometryOptions()
Create a new QgsGeometryOptions object.
void setCheckConfiguration(const QString &checkId, const QVariantMap &checkConfiguration)
Set the configuration for the check checkId.
static const QgsSettingsEntryString settingsGeometryValidationDefaultChecks
Settings entry search path for templates.
QStringList geometryChecks() const
A list of activated geometry checks.
void checkConfigurationChanged()
Access the configuration for the check checkId.
void apply(QgsGeometry &geometry) const
Apply any fixes configured on this class to geometry.
void geometryPrecisionChanged()
The precision in which geometries on this layer should be saved.
void writeXml(QDomNode &node) const
Write the geometry options to the node.
void setGeometryChecks(const QStringList &geometryChecks)
A list of activated geometry checks.
QVariantMap checkConfiguration(const QString &checkId) const
Access the configuration for the check checkId.
A geometry is the spatial representation of a feature.
Definition: qgsgeometry.h:125
QgsGeometry snappedToGrid(double hSpacing, double vSpacing, double dSpacing=0, double mSpacing=0) const
Returns a new geometry with all points or vertices snapped to the closest point of the grid.
bool removeDuplicateNodes(double epsilon=4 *std::numeric_limits< double >::epsilon(), bool useZValues=false)
Removes duplicate nodes from the geometry, wherever removing the nodes does not result in a degenerat...
T value(const QString &dynamicKeyPart=QString()) const
Returns settings value.
static QDomElement writeVariant(const QVariant &value, QDomDocument &doc)
Write a QVariant to a QDomElement.
static QVariant readVariant(const QDomElement &element)
Read a QVariant from a QDomElement.